package study03;

public class Test {
    public static void main(String[] args){
        String s1 = "abc";
        String s2 = "xyz";
        show(s1,s2);
        System.out.println(s1 + "-----" + s2);
    }
    static void show(String s1,String s2){
        s1 = s2+s1+"Q";  //xyzabcQ
        s2 = "W"+s1;
    }



}
